钩尾框浮起是指车钩牵引装置安装到机车上以后,钩尾框的最低面与尾框托板之间不密贴,所形成的间隙谓之浮起。不准尾框浮起这一问题,在机车交验中,曾持异多年,至今未得解决,对此,谈几点看法。(一)问题的依据是什么尾框不准浮起的要求出自何处?一查历来东风型内燃机车图纸,对该处都没有要求;二 Floating hook yoke refers to the hook traction device installed on the locomotive after the hook yoke the lowest surface and the pallet between the pallet is not close, the formation of the gap that float. Do not allow the end of the float frame this issue, in the locomotive inspection, had different for many years, has not yet been resolved, in this regard, talk a few comments. (A) What is the basis of the question? Where are the requirements for the tail box not to float? A survey has always been on the DFJ locomotive drawings, there is no requirement for it;